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Allow flexible configuration of container affinity #200

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Allow flexible configuration of container affinity #200

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9f6f30d
Allow flexible configuration of container affinity
617m4rc Jun 1, 2023
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617m4rc Jun 1, 2023
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2 changes: 1 addition & 1 deletion helm-charts/falcon-sensor/Chart.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ type: application
# This is the chart version. This version number should be incremented each time you make changes
# to the chart and its templates, including the app version.
# Versions are expected to follow Semantic Versioning (https://semver.org/)
version: 1.19.1
version: 1.19.2

# This is the version number of the application being deployed. This version number should be
# incremented each time you make changes to the application. Versions are not expected to
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2 changes: 1 addition & 1 deletion helm-charts/falcon-sensor/README.md
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Expand Up @@ -5,7 +5,7 @@ platform purpose-built to stop breaches via a unified set of cloud-delivered
technologies that prevent all types of attacks — including malware and much
more.

# Kubernetes Cluster Compatability
# Kubernetes Cluster Compatibility

The Falcon Helm chart has been tested to deploy on the following Kubernetes distributions:

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17 changes: 3 additions & 14 deletions helm-charts/falcon-sensor/templates/container_deployment_webhook.yaml
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Expand Up @@ -83,21 +83,10 @@ spec:
{{- end }}
{{- end }}
spec:
{{- if .Values.container.affinity }}
affinity:
nodeAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
nodeSelectorTerms:
- matchExpressions:
- key: kubernetes.io/os
operator: In
values:
- linux
preferredDuringSchedulingIgnoredDuringExecution:
- weight: 1
preference:
matchExpressions:
- key: node-role.kubernetes.io/master
operator: DoesNotExist
{{- toYaml .Values.container.affinity | nindent 6 }}
{{- end }}
{{- if .Values.container.topologySpreadConstraints }}
topologySpreadConstraints:
{{- toYaml .Values.container.topologySpreadConstraints | nindent 6 }}
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17 changes: 17 additions & 0 deletions helm-charts/falcon-sensor/values.yaml
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Expand Up @@ -95,6 +95,23 @@ container:
matchLabels:
crowdstrike.com/component: crowdstrike-falcon-injector

# Configure affinity to restrict container to certain nodes
affinity:
nodeAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
nodeSelectorTerms:
- matchExpressions:
- key: kubernetes.io/os
operator: In
values:
- linux
preferredDuringSchedulingIgnoredDuringExecution:
- weight: 1
preference:
matchExpressions:
- key: node-role.kubernetes.io/master
operator: DoesNotExist

# Auto update the certificates every time there is an update
autoCertificateUpdate: true

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